Injectable Ampoule Filling Machine

An Injectable Ampoule Filling Machine is a specialized piece of pharmaceutical equipment designed for the precise, sterile, and automated filling and sealing of glass or plastic ampoules with injectable liquids, such as vaccines, antibiotics, or other pharmaceutical solutions. These machines are critical in industries like pharmaceuticals, biotechnology, and cosmetics, ensuring high accuracy, hygiene, and compliance with cGMP (Current Good Manufacturing Practices) and US FDA standards. Below is a detailed description of the machine, its features, and its operation, based on industry standards and available information.

Injectable Ampoule Filling Machine Video

Key Features

1. Purpose and Application:

   • Used to fill and seal ampoules (small, sealed vials) with liquid or sometimes powder for injectable drugs, ensuring sterility and precise dosing.v

   • Applications span pharmaceuticals (e.g., vaccines, injectables), biotechnology, cosmetics (e.g., serums), and laboratory settings for storing sensitive reagents or chemicals.

2. Capacity and Output:

   • Suitable for filling ampoules ranging from 1 ml to 30 ml in volume, with some machines capable of handling up to 250 ml for specific applications.

   • Output varies by model:

     • Single-head machines: ~1,500 ampoules/hour, ideal for lab-scale or pilot production.

     • Multi-head machines (e.g., two, four, six, eight, or twelve heads): Up to 36,000 ampoules/hour for high-speed, large-scale production.

     • High-speed models can achieve up to 400 ampoules/minute.

3. Design and Construction:

   • Built with stainless steel 316L for contact parts to ensure sterility and compliance with cGMP standards, and stainless steel 304 for non-contact parts.

   • Compact, monoblock designs integrate filling and sealing in one unit, minimizing contamination risks.

   • Features large openings for easy cleaning and maintenance, with some models equipped with pendant-style control panels for accessibility.

   • Often includes a laminar airflow (LAF) system or isolator for aseptic conditions.

4. Filling Mechanism:

   • Utilizes various filling technologies for precision:

     • Piston pump filling: Volumetric dosing for accurate filling of liquids with varying viscosities.

     • Peristaltic pump filling: Ideal for sensitive liquids, allowing tool-less adjustments via touch-screen interfaces.

     • Servo-driven filling: Offers programmable fill volumes with high accuracy (±0.5%).

     • Time-pressure filling or mass-flow filling: Used for specific applications requiring customized dosing.

   • Fill volume ranges from 0.5 ml to 25 ml in a single dose, adjustable via control panels or HMI (Human-Machine Interface).

   • Features like no ampoule, no fill and no ampoule, machine stop systems optimize material use and prevent errors.

5. Sealing Process:

   • Ampoules are sealed using combustible gases (e.g., oxygen, LPG, or natural gas) to melt the glass tip after filling, ensuring an airtight seal to prevent contamination.

   • Pre-heating and post-heating stations ensure perfect sealing, with some machines equipped with cooling systems to avoid overheating.

   • Nitrogen flushing (pre- and post-filling) is often included to displace oxygen, enhancing product stability and shelf life.

6. Operation and Automation:

   • Fully automatic models: Include integrated processes like ampoule washing, sterilizing, filling, sealing, and sometimes labeling, reducing manual intervention.

   • Semi-automatic models: Suitable for smaller-scale operations, requiring some operator involvement.

   • Equipped with PLC (Programmable Logic Controller) and touch-screen HMI for real-time monitoring, error detection, and parameter adjustments.

   • Features like starwheels, eccentric racks, or grippers ensure precise ampoule handling and centering during filling and sealing.

7. Sterilization and Aseptic Processing:
   • Often part of a complete production line that includes:

     • Ultrasonic washing: Cleans ampoules to remove contaminants.

     • Sterilization tunnels: Use dry heat, steam, or hot water to ensure sterility.

     • Depyrogenation: Removes pyrogens to meet regulatory standards.

   • Designed to operate in Class 100 cleanroom environments with isolators or RABS (Restricted Access Barrier Systems) for aseptic conditions.

8. Flexibility and Customization:

   • Handles both open-mouth and closed-mouth ampoules (Type B and Type C), with some machines capable of processing vials as well.

   • Tool-less format changes for different ampoule sizes (e.g., 1 ml to 30 ml) enhance production flexibility.

   • Combi machines can process both ampoules and vials, increasing versatility.

9. Safety and Compliance:

   • Equipped with safety features like pressure reducers, safety valves, and stainless steel hoods to channel fumes during sealing.

   • CE-certified and 21 CFR Part 11-compliant models available for regulatory adherence.

   • Designed for operation under laminar flow protection to maintain sterility.

10. Additional Features:

    • Pre-warming stations: Ensure smooth sealing by pre-heating ampoule necks.

    • Waste tip collectors: Manage glass waste from sealing.

    • Variable speed control: Adjustable via AC frequency drives for precise operation.

    • Unscramblers and conveyors: Automate ampoule feeding and transport, reducing manual handling.

Working Principle

The operation of an injectable ampoule filling machine typically follows these steps:

1. Loading: Sterilized ampoules are loaded into a hopper or unscrambler, which feeds them onto a conveyor or starwheel.

2. Washing (Optional): Ampoules are cleaned using ultrasonic washing or water/air jets to remove contaminants.

3. Sterilization: Ampoules pass through a sterilization tunnel (dry heat or steam) to ensure sterility.

4. Filling: Ampoules are positioned under filling nozzles, where precise volumes of liquid are dispensed using piston, peristaltic, or servo-driven pumps. Nitrogen flushing may occur before and after filling to prevent oxidation.

5. Sealing: Ampoules are heated and sealed using combustible gases, with pre-heating and cooling stages to ensure a secure seal.

6. Collection: Sealed ampoules are collected on trays or conveyed for inspection and labeling without manual touching.

Advantages

• High Precision: Achieves fill accuracy of ±0.5%, ensuring consistent dosing.

• Sterility: Aseptic processing and nitrogen flushing minimize contamination risks.

• Efficiency: High-speed models and automation reduce labor and increase output.

• Versatility: Handles various ampoule sizes, types, and liquid viscosities.

• Durability: Stainless steel construction ensures long-term reliability and easy maintenance.

Applications

• Pharmaceuticals: Filling injectable drugs like vaccines, antibiotics, and anesthetics.

• Biotechnology: Handling sensitive biologics and reagents.

• Cosmetics: Packaging serums and essential oils.

• Laboratories: Storing chemicals and samples with high integrity.

Conclusion

Injectable Ampoule Filling Machines are critical for producing sterile, high-quality pharmaceutical products. Their robust design, precise filling mechanisms, and integration with washing and sterilization systems ensure compliance with stringent regulatory standards while maximizing efficiency. Whether for small-scale R&D or large-scale production, these machines offer flexibility, accuracy, and reliability tailored to diverse industry needs.

Types of Ampoule Filling Machines

• Small Ampoule Filling Machine
• Ampoule Filling and Sealing Machine
• Onion Skin Ampoule Filling Machine
• Servo Driven Ampoule Filling Machine
• Peristaltic Pump type Ampoule Filling Machine
• Closed Ampoule Filling Machine
• Single Head Ampoule Filling Machine
• Two Head Ampoule Filling Machine
• Four Head Ampoule Filling Machine
• Six Head Ampoule Filling Machine
• Eight Head Ampoule Filling Machine

Salient Features of Injectable Ampoule Filling Machine

• Compact model as per cGMP standard.

• Higher production output up to 12000 Ampoules per hour.

• All contact parts made from High Quality Stainless Steel 316L & Non-contact parts made from Stainless Steel 304.

• Minimum change over parts from 1ml to 10ml ampoule size.

• “No Ampoule – No Filling” system.

• Ampoule neck centering during gas flushing and filling operations.

• Possibility of nitrogen gas flushing before, during and after filling.

• Full accessibility allows easy maintenance.

• Machine equipped with pre-warming station.

• Flow Meters for regulating flames easily.

• Minimum change over time, little maintenance, easy cleaning.

Process Operation of Automatic Ampoule Filling Machine

Empty washed & sterilized ampoules loaded onto infeed hopper of the machine. From where it has been received to receiving rack through starwheel/cassette. The moving rack which moves horizontally collect one/two/four/eight ampoules from the receiving rack and transfer the ampoule to the machine in left to right in an inclined position. During ampoule movement Pre-gassing, Filling, Post Gassing, Pre-heating & Sealing Station perform filling and sealing operations. At the end duly filled and sealed ampoules get collected automatically onto collection tray of the machine. For detailed working process please explore automatic ampoule filler video in top right section of this page.

Technical Specification of Injectable Ampoule Filling Machine

* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.